Potamophilus acuminatus (Fabricius, 1792)

Alekseev, Vitalii I., Drotikova, Anna M., Rozhina, Viktoria I. & Bukejs, Andris, 2021, Addenda To The Knowledge Of Beetles (Insecta: Сoleoptera) Of Kaliningrad Region (Western Russia): New Faunistic Records, Acta Biologica Universitatis Daugavpiliensis 21 (1), pp. 13-31 : 18

*6. Potamophilus acuminatus (Fabricius, 1792)

Local references: Not reported earlier.

Material: Cherniakhovsk district , 2 km S Timofeevka, 54.63°N, 21.90°E, 01.07.2021, 1 ex., riverbank of Angrapa ( Fig. 4 ) .

Comments: First report of the species for Kaliningrad region and Baltic countries fauna. It is known in northern Belarus ( Alexandrovitch et al. 1996; Moroz 2018) and Poland ( Buczyński et al. 2011). Known aspects of bionomy, distribution and proposal for including of Potamophilus acuminatus to the Red List of IUCN in VU category (vulnerable species) is discussed in Buczyński et al. (2011).

Figures

Figs 3–10. The photographs of the living specimens in nature (Kaliningrad Region): 3 – Stenolophus teutonus; 4 – Potamophilus acuminatus; 5 – Hylis olexai; 6 – Denticollis rubens; 7 – Melandrya barbata; 8 – Mycetophagus ater; 9 – Mordellaria aurofasciata; 10 – Boros schneideri.